William Optics Reducer Flattener
Best optical upgrade for astrophotographers seeking wider, sharper celestial views.
This optical accessory optimizes astrophotography setups by simultaneously reducing focal length and flattening the image field. It ensures consistent sharpness across the entire frame, making it an essential tool for capturing wide-field deep sky objects with precision.
$806.00
Who it's for
- Astrophotographers needing shorter exposure times for deep-sky targets
- Detail-oriented imagers seeking edge-to-edge star sharpness
- William Optics owners wanting reliable, high-transmission optical performance
Who should skip it
- Beginners intimidated by precise back-focus spacing requirements
- Full-frame sensor users concerned about corner vignetting
- Owners of non-William Optics telescopes seeking universal compatibility
Performance breakdown
Field Correction
Eliminates edge distortion for pinpoint stars across the entire sensor frame.
Focal Reduction Efficiency
The 0.72x factor significantly widens your view without sacrificing critical image clarity.
Build Quality
Premium aluminum and glass construction feels robust and built for longevity.
System Integration
Standard M48 threading makes connecting to most imaging trains straightforward and secure.
Compatibility Range
Works beautifully with most refractors, though specific back-focus tuning is required.
Ease of Setup
Simple installation process that gets you imaging faster with minimal frustration.
Key Specs
Focal Length Reduction
0.72x
Camera Connection
M48x0.75mm
Material
Aluminum, Glass
Connection Interface
2 inch
Accessory Type
Adapter
Telescope Compatibility
Refractor
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